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Mrakia terrae sp. nov. and Mrakia soli sp. nov., Two Novel Basidiomycetous Yeast Species Isolated from Soil in Korea

Mycobiology 2021년 49권 5호 p.469 ~ 475
Park Yuna, Maeng Soo-Hyun, 오준상, 성기호, Srinivasan Sathiyaraj,
소속 상세정보
 ( Park Yuna ) - Seoul Women’s University College of Natural Science Department of Bio and Environmental Technology
 ( Maeng Soo-Hyun ) - Seoul Women’s University College of Natural Science Department of Bio and Environmental Technology
오준상 ( Oh Jun-Sang ) - Catholic Kwandong University College of Medicine International St. Mary’s Hospital Biomedical Institute of Mycological Resource
성기호 ( Sung Gi-Ho ) - Catholic Kwandong University College of Medicine International St. Mary’s Hospital Biomedical Institute of Mycological Resource
 ( Srinivasan Sathiyaraj ) - Seoul Women’s University College of Natural Science Department of Bio and Environmental Technology

Abstract


Three strains, YP416T, YP421T, and Y422, were isolated from soil samples in Pocheon City, Gyeonggi province, South Korea. The strains belong to two novel yeast species in the genus Mrakia. Molecular phylogenetic analysis showed that the strain YP416T was closely related to Mrakia niccombsii. Still, it differed by 9 nucleotide substitutions with no gap (1.51%) in the D1/D2 domain of the LSU rRNA gene and 14 nucleotide substitutions with 7 gaps (2.36%) in the ITS region. The strain YP421T differed from the type strain of the most closely related species, Mrakia aquatica, by 5 nucleotide substitutions with no gap (0.81%) in the D1/D2 domain of the LSU rRNA gene and 9 nucleotide substitutions with one gap (1.43%) in the ITS region. The names Mrakia terrae sp. nov. and Mrakia soli sp. nov. are proposed, with type strains YP416T (KCTC 27886T) and YP421T (KCTC 27890T), respectively. MycoBank numbers of the strains YP416T and YP421T are MB 836844 and MB 836847, respectively.

키워드

Novel yeast species; Mrakia; taxonomy

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